Overview
“About 246,000” and approximate subsets → blank.
Timeline
- Occurred
- Discovered
- Disclosed
Organization response
Per the notice, the organisation investigated and contained the incident, notified individuals and offered monitoring or protective resources.
What you can do
Be wary of emails, SMS or calls impersonating the organisation; do not open links or attachments or enter passwords or card details. Change reused passwords on other services.
Sources
- ガバメントソリューションサービスへの不正アクセスによる職員等の個人情報の漏えいの可能性についてデジタル庁 · 2026-11-09